Mark Harris and Mitch Corbett are two surfers on a mission; to discover how Californian cool arrived on Britain's bracing beaches, and grew from splashy summer fun, to a serious obsession with waves. They'll visit the most iconic surf spots around Britain's 5000 miles of rugged coastline; unraveling how the men and women of their native waters have evolved one of the most unusual and colourful surf scenes on the planet.